Agent Check: Puma

Overview

This check monitors Puma through the Datadog Agent via the Puma metrics endpoint provided by the control/status server.

Setup

Follow the instructions below to install and configure this check for an Agent running on a host. For containerized environments, see the Autodiscovery Integration Templates for guidance on applying these instructions.

Installation

If you are using Agent v6.8+ follow the instructions below to install the Puma check on your host. See the dedicated Agent guide for installing community integrations to install checks with the Agent prior to version 6.8 or the Docker Agent:

1. Download the Datadog Agent.

2. Run the following command to install the integrations wheel with the Agent:

      datadog-agent integration install -t datadog-puma==<INTEGRATION_VERSION>

3. Configure your integration like any other packaged integration.

Configuration

1. Edit the puma.d/conf.yaml file, in the conf.d/ folder at the root of your Agent's configuration directory to start collecting your Puma performance data. See the sample puma.d/conf.yaml for all available configuration options.

2. Restart the Agent.

Validation

Run the Agent's status subcommand and look for puma under the Checks section.

Data Collected

Metrics

See metadata.csv for a list of metrics provided by this check.

Service Checks

puma.connection: Returns CRITICAL if the Agent is unable to connect to the monitored Puma instance. Returns OK otherwise.

Events

Puma does not include any events.

Troubleshooting

Need help? Contact Datadog support.